
That's because you use Lunascape's version of Google Search.
Here's what you can do:
Change your startpage/new tab page to https://encrypted.google.com. Through the settings menu: Click Tools—> Lunascape settings and look it up there or —
If you use Gecko, type this into your address bar:
about:preferences
Under "general" change your "Homepage" to https://encrypted.google.com
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Also, you can manually visit encrypted.google.com and search from there.
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You see, what you search is not "Google Google" but "Luna Google". Another thing you can do is, you can change your default search engine in Luna's settings menu if you prefer normal Google.
Watch this to see how it's done:
https://www.youtube.com/watch?v=PcyUkxM9z7A
Let me help you out, for Google Search use the following link to set up your search engine: